X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from qmta10.westchester.pa.mail.comcast.net ([76.96.62.17] verified) by logan.com (CommuniGate Pro SMTP 5.4.4) with ESMTP id 5388905 for flyrotary@lancaironline.net; Thu, 09 Feb 2012 07:29:21 -0500 Received-SPF: pass receiver=logan.com; client-ip=76.96.62.17; envelope-from=wschertz@comcast.net Received: from omta05.westchester.pa.mail.comcast.net ([76.96.62.43]) by qmta10.westchester.pa.mail.comcast.net with comcast id XoPM1i0020vyq2s5AoUnBh; Thu, 09 Feb 2012 12:28:47 +0000 Received: from WschertzPC ([75.200.115.234]) by omta05.westchester.pa.mail.comcast.net with comcast id XoUd1i00T53WSnf3RoUgo8; Thu, 09 Feb 2012 12:28:45 +0000 Message-ID: <0C699B2075F543EAA104BC36A061C422@WschertzPC> From: "Bill Schertz" To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Re: one more thing Date: Thu, 9 Feb 2012 06:26:34 -0600 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_000A_01CCE6F3.C50BD470" X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 15.4.3538.513 X-MimeOLE: Produced By Microsoft MimeOLE V15.4.3538.513 This is a multi-part message in MIME format. ------=_NextPart_000_000A_01CCE6F3.C50BD470 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable EGT=E2=80=99s are thermocouples, (Type K), if you want to check the = probes, hook a millivolt reading DVM up to the leads, and raise them to = a known temperature (like boiling water). You can get the millivolts vs. = temperature from a handbook. My opinion, is that if the settings on the = EM2 are identical, the a difference in the EGT readings when the engine = is running is probably real. Have you tried it with the new plugs? I have the experience that when my = plugs begin to go that I get a big spread in EGT readings, and the = engine doesn=E2=80=99t like full throttle/high rpm=E2=80=99s, put in new = plugs and it smooths out. Bill Schertz KIS Cruiser #4045 N343BS Phase one testing Completed From: bktrub@aol.com=20 Sent: Wednesday, February 08, 2012 10:27 PM To: Rotary motors in aircraft=20 Subject: [FlyRotary] Re: one more thing The egt can't read anything below around 800-1000 accurately f if I = recall correctly. I don't recall exactly, but it's several hundred = degrees, maybe as low as 180 or so when the engine is ambient- around 50 = today.=20 Brian Trubee -----Original Message----- From: Bill Bradburry To: Rotary motors in aircraft Sent: Wed, Feb 8, 2012 8:17 pm Subject: [FlyRotary] Re: one more thing Speaking of EGT calibration. If the EGT reads ambient air temps = accurately, does that mean that it is accurate throughout its range??? = If not, how do you check the temp when it is reading 15-1600 degrees?? Bill B=20 -------------------------------------------------------------------------= ------- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net?] On = Behalf Of bktrub@aol.com Sent: Wednesday, February 08, 2012 9:17 PM To: Rotary motors in aircraft Subject: [FlyRotary] one more thing Also, I forgot to mention- in looking at the calibration for my EGTs I = have the same settings for both- Scale factor is 1.943 and the low end = offset is 38. Is this the correct factory setting? Thanks, Brian Trubee ------=_NextPart_000_000A_01CCE6F3.C50BD470 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable
EGT=E2=80=99s are thermocouples, (Type K), if you want to check the = probes, hook a=20 millivolt reading DVM up to the leads, and raise them to a known = temperature=20 (like boiling water). You can get the millivolts vs. temperature from a=20 handbook. My opinion, is that if the settings on the EM2 are identical, = the a=20 difference in the EGT readings when the engine is running is probably=20 real.
 
Have you tried it with the new plugs? I have the experience that = when my=20 plugs begin to go that I get a big spread in EGT readings, and the = engine=20 doesn=E2=80=99t like full throttle/high rpm=E2=80=99s, put in new plugs = and it smooths=20 out.
 
Bill=20 Schertz
KIS Cruiser #4045
N343BS
Phase one testing = Completed
 
Sent: Wednesday, February 08, 2012 10:27 PM
Subject: [FlyRotary] Re: one more thing
 
The egt can't read anything below around 800-1000 accurately f if I = recall=20 correctly.  I don't recall exactly, but it's several hundred = degrees, maybe=20 as low as 180 or so when the engine is ambient- around 50 today.
Brian Trubee



-----Original=20 Message-----
From: Bill Bradburry = <bbradburry@bellsouth.net>
To:=20 Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: = Wed, Feb=20 8, 2012 8:17 pm
Subject: [FlyRotary] Re: one more thing

Speaking of = EGT=20 calibration.  If the EGT reads ambient air temps accurately, does = that mean=20 that it is accurate throughout its range???  If not, how do you = check the=20 temp when it is reading 15-1600 degrees??
 
Bill B=20
 
From: Rotary=20 motors in aircraft [mailto:flyrotary@lancaironli= ne.net?]=20 On Behalf Of bktrub@aol.com
Sent: Wednesday, February 08, = 2012 9:17=20 PM
To: Rotary motors = in=20 aircraft
Subject: = [FlyRotary]=20 one more thing
 
Also, I = forgot to=20 mention- in looking at the calibration for my EGTs I have the same = settings for=20 both- Scale factor is 1.943 and the low end offset is 38. Is this the = correct=20 factory setting?
 
Thanks,
Brian=20 Trubee
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